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Forum: Pentax Lens Articles
08-20-2008, 03:37 PM
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Wow - that's some serious work you've put into all this thanks very much. I have a bunch of DA lenses, not least of all the DA70 which is my favorite of them, which I had heard (before I had seen this thread) did cover the full 35mm format - however looking at your samples I think it is safe to assume that the performance on a 35mm is definetely not "Limited" quality like it is on the APS-C sensors. Most probably if Pentax do release a FF DSLR - all DA lenses will be cropped (ala Nikon D3) to retain the good IQ even if they are rumored to cover FF like the DA40 & DA70.
I do wonder how the still available FA50, FA35, DFA Macros & FA Ltd lenses are like on film - just to have as a base for comparison. I think it might be a good idea to add those if possible to have as a comparison as I (and I am sure many others) will be curious to see how they fare wide-open at f/1.8, etc. (and stopped down) on 35mm.
Thanks again for your efforts - they confirm to me that the DA & DA Ltd's should only really be used for what they were intended for - APS-C.
Cheers,
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